Paul Eggert wrote:
> Eli Zaretskii wrote:
>> once
>> gc-cons-threshold is set to a large value, it effectively disables GC
>> for the rest of the session, even if after that gc-cons-threshold is
>> reset back
> 
> Yes, that's next on my list of things to look at, after untangling this XDG 
> configuration mess.

Although I haven't finished untangling the XDG configuration mess, I did get 
some time free to attack the gc-cons-threshold issue and installed the attached. 
As this should fix the problem reported in Bug#37006 I'm boldly closing that bug 
report.